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What is the Least Common Multiple of 30218 and 30222?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least common multiple (LCM) of 30218 and 30222 is 456624198.

LCM(30218,30222) = 456624198

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Least Common Multiple of 30218 and 30222 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 30218 and 30222, than apply into the LCM equation.

GCF(30218,30222) = 2
LCM(30218,30222) = ( 30218 × 30222) / 2
LCM(30218,30222) = 913248396 / 2
LCM(30218,30222) = 456624198

Least Common Multiple (LCM) of 30218 and 30222 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 30218 and 30222. First we will calculate the prime factors of 30218 and 30222.

Prime Factorization of 30218

Prime factors of 30218 are 2, 29, 521. Prime factorization of 30218 in exponential form is:

30218 = 21 × 291 × 5211

Prime Factorization of 30222

Prime factors of 30222 are 2, 3, 23, 73. Prime factorization of 30222 in exponential form is:

30222 = 21 × 32 × 231 × 731

Now multiplying the highest exponent prime factors to calculate the LCM of 30218 and 30222.

LCM(30218,30222) = 21 × 291 × 5211 × 32 × 231 × 731
LCM(30218,30222) = 456624198